GPT-5.5 Cyber Tests Put OpenAI Near Anthropic Mythos
UK cyber evaluations found GPT-5.5 comparable to Claude Mythos, renewing debate over frontier model access and safety controls.
UK cyber evaluations found GPT-5.5 comparable to Claude Mythos, renewing debate over frontier model access and safety controls.
OpenAI unveiled GPT-5.5, its newest flagship AI model, excelling at coding, research, and agentic tasks with limited instructions.